Tau Phe vs Zet Scl

Three classes divide them: Tau Phe is a G-type star, Zet Scl is a B-type star. Tau Phe trails in apparent brightness at magnitude +5.71 against +5.04, leaving Zet Scl around 1.9 times the brighter target. Tau Phe is the intrinsically fainter of the two, its absolute magnitude of −0.59 trailing −0.90 by a margin worth about 1.3 times the light. Both lie at a comparable distance from the Sun — 593 light-years for Tau Phe and 503 for Zet Scl.